摘要
本文介绍了巴克豪森检测传感器的工作原理，结构特点及实验结果，使用该传感器可对铁磁材料实施内应力检测。
The working principle. structure properties and test results of BN stress testing detector are introduced in the paper. It can be used for nondestructive testing of internal stress of ferromagnetic material.
关键词
巴克豪森效应
传感器
设计
Barkhausen effect.magnetic domain. detector
